513542221202 has 8 divisors (see below), whose sum is σ = 810856138800. Its totient is φ = 243256841604.

The previous prime is 513542221151. The next prime is 513542221217. The reversal of 513542221202 is 202122245315.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×513542221202² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6757134452 + ... + 6757134527.

It is an arithmetic number, because the mean of its divisors is an integer number (101357017350).

Almost surely, 2^513542221202 is an apocalyptic number.

513542221202 is a deficient number, since it is larger than the sum of its proper divisors (297313917598).

513542221202 is a wasteful number, since it uses less digits than its factorization.

513542221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13514269000.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 513542221202 its reverse (202122245315), we get a palindrome (715664466517).

The spelling of 513542221202 in words is "five hundred thirteen billion, five hundred forty-two million, two hundred twenty-one thousand, two hundred two".